Given investment horizon of 30 days, Trimble Navigation Limited is expected to under-perform the Bruker. In addition to that, Trimble is 1.11 times more volatile than Bruker Corporation. It trades about -0.3 of its total potential returns per unit of risk. Bruker Corporation is currently generating about -0.18 per unit of volatility. If you would invest  1,694  in Bruker Corporation on May 21, 2013 and sell it today you would lose (46.00) from holding Bruker Corporation or give up 2.72% of portfolio value over 30 days.